diff --git a/.travis.yml b/.travis.yml
index a39632b..ce6470c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,15 +6,15 @@ before_install:
   - gem install bundler
 matrix:
   include:
-    - rvm: 2.2.6
+    - rvm: 2.2.7
       install: true # This skips 'bundle install'
       script: gem build github_changelog_generator && gem install *.gem
-    - rvm: 2.2.6
+    - rvm: 2.2.7
       install: true # This skips 'bundle install'
       script: gem build github_changelog_generator && bundle install
       gemfile: spec/install-gem-in-bundler.gemfile
     - rvm: 2.1
-    - rvm: 2.3.3
+    - rvm: 2.3.4
     - rvm: 2.4.1
     - rvm: jruby-9.1.8.0
       jdk: oraclejdk8